Heating apparatus.



H. LA V. COLE.

HEA'IING4 APPARATUS. APPLICATION FILED 11111.11, 1910.

1,005,160. Patented Oct. 1.0, 1911.

COLUMNA PLANOGRAPH c0.,w^s|nNTON, n, c,

UNITED sTATEs PATENT oEEioE.

HARVEY LA VERNE COLE, OF ROCKFORD, ILLINOIS. l

HEATING APPARATUS.

To all whom 'it may concern:

Be it known that I, HARVEY LA VERNE COLE, a citizen of the UnitedStates, residing at Rockford, in t-he county of finnebago and State ofIllinois, have invented certain new and useful Improvements in HeatingApparatus, of which the following is a specification.

The object of this invention is to increase the eiciency of a steamheating apparatus without increase of fuel consumption, and consists increat-ing a suction on the steam and water flowing from the radiatorthe-reby allowing the live steam to flow more freely through theradiator.

In the accompanying drawings, Figure l is a section of a steam generatorand an elevation of a radiator, and the pipe connections therewith. Fig.2 is a plan view of the supplemental steam generator.

The heating apparatus in the main is of an old construction, comprisingthe main steam generator l, radiator 2, pipe 3 leading from the mainsteam generator to the radiator, and the return pipe 4L leading from theradiator to the lower portion of the main steam generator. The steamgenerated from the water in the main generator passes by way of the pipe3 to the radiator, and the condensed steam returns by pipe 4 to the mainsteam generator. This is the usual arrangementof a steam heating plant.

My improvements consist in the employment of a supplemental steamgenerator in the form of a coil or loop 6 placed within t-he combustionchamber of the main steam generator, one branch 7 of which connects withthe radiator 2 and contains a check valve 8. The other branch 9 of thesupplemental steam generator contains a check valve 10 and this branchin this instance connects with the steam supply pipe 3.

The function of this supplement-al steam generator is to increasecirculation. This is accomplished by the condensed steam entering thesupplemental steam generator 6, which on being heated will close checkvalve 8, pass check valve l0 and enter the steam supply pipe 3 andmingle with the live steam and pass to the radiator. A constantcirculation of steam and water is had through this supplemental steamgenerator.

In some steam heating systems as heretofore constructed, it is difficultto cause the circulation of steam as it condenses and returns by way ofthe pipe 4. By my system,

Specification of Letters Patent.

Application filed March 11, 1910.

Patented Oct. 10, 1911.

Serial No. 548,741.

the heat in the supplemental steam generator 6 will causo the steam and.water as it passes the radiator to be drawn into the supplemental steamgenerator, it being at intervals the point of lowest pressure, and afterbeing heated will be forced back into the main steam generator, in thisinstance by way of pipe 3, and after the heated steam and water haspassed the check valve 10,l

new steam and water furnished through the pipe 7 will enter thesupplemental steam generator and be heated. While I have shown a coil orloop 6 placed' within the combustion chamber of the heater, it isevident that a receptacle of other form than a coil or pipe may beemployed.

Briefly described the operati-on of the auxiliary or supplemental partof the system is as follows. Assuming that there is a small amount ofwater in the supplemental steam generator 6, it will be evident thatwhen the same is turned or partly turned into steam, the expansive forcethereof will open the check valve 10, which will permit the outflow ofsaid steam into the pipe 3 and radiator 2. When however, the limit ofthis expansive force is reached, the check valve l0 will close. Vater ofcondensation will of course collect in the pipe 7, and there will alsobe pressure in said pipe. As a consequence, the combined forces willopen the check valve 8, and permit the water to flow into thesupplemental steam generator. This water will condense the steamcontained therein to some extent, and produce a partial vacuum in thesupplemental steam generator 6, causing still more water to flow pastthe check valve 8. This water will in turn be converted or partlyconverted into steam and be driven past the check valve 10. As aconsequence, there will be an intermittent low from the pipe 7 into thesupplemental steam generator 6, and an intermittent production of steamin said supplemental steam generator, which will pass through the pipe 9into the pipe 3.

I claim as my invention.

l. A steam heating apparatus, comprising a main steam generator, asupplemental steam generator within the combustion chamber of the mainsteam generator, a radiator, means for supplying steam from the mainsteam generator to the radiator, means for intermingling the steam ofthe supplemental steam generator with that of the main steam generatoron the supply side of the radiator, means for returning the Wat-er ofcondensation from the radiator to the supplemental steam generator, anda check valve situated on the intake side of the supplemental steamgenerator and opening in the direction of the flow of steam to saidradiator;y n V n 2. A steam heating apa-ratus, oomprisinga main steamgenerator, a supplemental steamv generator Within theoombustionehamberof the main steam generator, a radiator, means forsupplying steam from the main steam generator to the radiator', meansfor intermingling'. the Steam of the supplemental steam generator Withthat of the main steam generator on the supply side of the radiator,means for returning the Water of Condensation from the radiator to thesuppleinental steam generator and check Valves situated on oppositesides of said supplemental stealn generator and opening in the directionof the flow of steam to said radiator.

In testimony whereof I have hereunto set my hand in presence of twosubscribing Witnesses.

HARVEY LA VERNE COLE. Witnesses:

A. O. BEHEL, E. BEHEL.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. C.

